powerpc/fsl-pci: Unify pci/pcie initialization code

We unified the Freescale pci/pcie initialization by changing the fsl_pci
to a platform driver. In previous PCI code architecture the initialization
routine is called at board_setup_arch stage. Now the initialization is done
in probe function which is architectural better. Also It's convenient for
adding PM support for PCI controller in later patch.

Now we registered pci controllers as platform devices. So we combine two
initialization code as one platform driver.

Signed-off-by: Jia Hongtao <B38951@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

6 files changed, 28 insertions, 86 deletions

diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index 563aafa8629c..bf5338754c5a 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -73,13 +73,6 @@ static void __init gef_ppc9a_init_irq(void)
 static void __init gef_ppc9a_setup_arch(void)
 {
 	struct device_node *regs;
-#ifdef CONFIG_PCI
-	struct device_node *np;
-
-	for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") {
-		fsl_add_bridge(np, 1);
-	}
-#endif
 
 	printk(KERN_INFO "GE Intelligent Platforms PPC9A 6U VME SBC\n");
 
@@ -87,6 +80,8 @@ static void __init gef_ppc9a_setup_arch(void)
 	mpc86xx_smp_init();
 #endif
 
+	fsl_pci_assign_primary();
+
 	/* Remap basic board registers */
 	regs = of_find_compatible_node(NULL, NULL, "gef,ppc9a-fpga-regs");
 	if (regs) {
@@ -221,6 +216,7 @@ static long __init mpc86xx_time_init(void)
 static __initdata struct of_device_id of_bus_ids[] = {
 	{ .compatible = "simple-bus", },
 	{ .compatible = "gianfar", },
+	{ .compatible = "fsl,mpc8641-pcie", },
 	{},
 };
 
@@ -231,7 +227,7 @@ static int __init declare_of_platform_devices(void)
 
 	return 0;
 }
-machine_device_initcall(gef_ppc9a, declare_of_platform_devices);
+machine_arch_initcall(gef_ppc9a, declare_of_platform_devices);
 
 define_machine(gef_ppc9a) {
 	.name			= "GE PPC9A",
diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c
index cc6a91ae0889..0b7851330a07 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc310.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc310.c
@@ -73,20 +73,14 @@ static void __init gef_sbc310_init_irq(void)
 static void __init gef_sbc310_setup_arch(void)
 {
 	struct device_node *regs;
-#ifdef CONFIG_PCI
-	struct device_node *np;
-
-	for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") {
-		fsl_add_bridge(np, 1);
-	}
-#endif
-
 	printk(KERN_INFO "GE Intelligent Platforms SBC310 6U VPX SBC\n");
 
 #ifdef CONFIG_SMP
 	mpc86xx_smp_init();
 #endif
 
+	fsl_pci_assign_primary();
+
 	/* Remap basic board registers */
 	regs = of_find_compatible_node(NULL, NULL, "gef,fpga-regs");
 	if (regs) {
@@ -209,6 +203,7 @@ static long __init mpc86xx_time_init(void)
 static __initdata struct of_device_id of_bus_ids[] = {
 	{ .compatible = "simple-bus", },
 	{ .compatible = "gianfar", },
+	{ .compatible = "fsl,mpc8641-pcie", },
 	{},
 };
 
@@ -219,7 +214,7 @@ static int __init declare_of_platform_devices(void)
 
 	return 0;
 }
-machine_device_initcall(gef_sbc310, declare_of_platform_devices);
+machine_arch_initcall(gef_sbc310, declare_of_platform_devices);
 
 define_machine(gef_sbc310) {
 	.name			= "GE SBC310",
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index aead6b337f4a..b9eb174897b1 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -73,13 +73,6 @@ static void __init gef_sbc610_init_irq(void)
 static void __init gef_sbc610_setup_arch(void)
 {
 	struct device_node *regs;
-#ifdef CONFIG_PCI
-	struct device_node *np;
-
-	for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") {
-		fsl_add_bridge(np, 1);
-	}
-#endif
 
 	printk(KERN_INFO "GE Intelligent Platforms SBC610 6U VPX SBC\n");
 
@@ -87,6 +80,8 @@ static void __init gef_sbc610_setup_arch(void)
 	mpc86xx_smp_init();
 #endif
 
+	fsl_pci_assign_primary();
+
 	/* Remap basic board registers */
 	regs = of_find_compatible_node(NULL, NULL, "gef,fpga-regs");
 	if (regs) {
@@ -198,6 +193,7 @@ static long __init mpc86xx_time_init(void)
 static __initdata struct of_device_id of_bus_ids[] = {
 	{ .compatible = "simple-bus", },
 	{ .compatible = "gianfar", },
+	{ .compatible = "fsl,mpc8641-pcie", },
 	{},
 };
 
@@ -208,7 +204,7 @@ static int __init declare_of_platform_devices(void)
 
 	return 0;
 }
-machine_device_initcall(gef_sbc610, declare_of_platform_devices);
+machine_arch_initcall(gef_sbc610, declare_of_platform_devices);
 
 define_machine(gef_sbc610) {
 	.name			= "GE SBC610",
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index 62cd3c555bfb..a817398a56da 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -91,6 +91,9 @@ static struct of_device_id __initdata mpc8610_ids[] = {
 	{ .compatible = "simple-bus", },
 	/* So that the DMA channel nodes can be probed individually: */
 	{ .compatible = "fsl,eloplus-dma", },
+	/* PCI controllers */
+	{ .compatible = "fsl,mpc8610-pci", },
+	{ .compatible = "fsl,mpc8641-pcie", },
 	{}
 };
 
@@ -107,7 +110,7 @@ static int __init mpc8610_declare_of_platform_devices(void)
 
 	return 0;
 }
-machine_device_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices);
+machine_arch_initcall(mpc86xx_hpcd, mpc8610_declare_of_platform_devices);
 
 #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
 
@@ -278,25 +281,13 @@ mpc8610hpcd_valid_monitor_port(enum fsl_diu_monitor_port port)
 static void __init mpc86xx_hpcd_setup_arch(void)
 {
 	struct resource r;
-	struct device_node *np;
 	unsigned char *pixis;
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc86xx_hpcd_setup_arch()", 0);
 
-#ifdef CONFIG_PCI
-	for_each_node_by_type(np, "pci") {
-		if (of_device_is_compatible(np, "fsl,mpc8610-pci")
-		    || of_device_is_compatible(np, "fsl,mpc8641-pcie")) {
-			struct resource rsrc;
-			of_address_to_resource(np, 0, &rsrc);
-			if ((rsrc.start & 0xfffff) == 0xa000)
-				fsl_add_bridge(np, 1);
-			else
-				fsl_add_bridge(np, 0);
-		}
-        }
-#endif
+	fsl_pci_assign_primary();
+
 #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
 	diu_ops.get_pixel_format	= mpc8610hpcd_get_pixel_format;
 	diu_ops.set_gamma_table		= mpc8610hpcd_set_gamma_table;
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 817245bc0219..e8bf3fae5606 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -19,7 +19,6 @@
 #include <linux/delay.h>
 #include <linux/seq_file.h>
 #include <linux/of_platform.h>
-#include <linux/memblock.h>
 
 #include <asm/time.h>
 #include <asm/machdep.h>
@@ -51,15 +50,8 @@ extern int uli_exclude_device(struct pci_controller *hose,
 static int mpc86xx_exclude_device(struct pci_controller *hose,
 				   u_char bus, u_char devfn)
 {
-	struct device_node* node;	
-	struct resource rsrc;
-
-	node = hose->dn;
-	of_address_to_resource(node, 0, &rsrc);
-
-	if ((rsrc.start & 0xfffff) == 0x8000) {
+	if (hose->dn == fsl_pci_primary)
 		return uli_exclude_device(hose, bus, devfn);
-	}
 
 	return PCIBIOS_SUCCESSFUL;
 }
@@ -69,30 +61,11 @@ static int mpc86xx_exclude_device(struct pci_controller *hose,
 static void __init
 mpc86xx_hpcn_setup_arch(void)
 {
-#ifdef CONFIG_PCI
-	struct device_node *np;
-	struct pci_controller *hose;
-#endif
-	dma_addr_t max = 0xffffffff;
-
 	if (ppc_md.progress)
 		ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0);
 
 #ifdef CONFIG_PCI
-	for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie") {
-		struct resource rsrc;
-		of_address_to_resource(np, 0, &rsrc);
-		if ((rsrc.start & 0xfffff) == 0x8000)
-			fsl_add_bridge(np, 1);
-		else
-			fsl_add_bridge(np, 0);
-		hose = pci_find_hose_for_OF_device(np);
-		max = min(max, hose->dma_window_base_cur +
-			  hose->dma_window_size);
-	}
-
 	ppc_md.pci_exclude_device = mpc86xx_exclude_device;
-
 #endif
 
 	printk("MPC86xx HPCN board from Freescale Semiconductor\n");
@@ -101,13 +74,9 @@ mpc86xx_hpcn_setup_arch(void)
 	mpc86xx_smp_init();
 #endif
 
-#ifdef CONFIG_SWIOTLB
-	if ((memblock_end_of_DRAM() - 1) > max) {
-		ppc_swiotlb_enable = 1;
-		set_pci_dma_ops(&swiotlb_dma_ops);
-		ppc_md.pci_dma_dev_setup = pci_dma_dev_setup_swiotlb;
-	}
-#endif
+	fsl_pci_assign_primary();
+
+	swiotlb_detect_4g();
 }
 
 
@@ -162,6 +131,7 @@ static __initdata struct of_device_id of_bus_ids[] = {
 	{ .compatible = "simple-bus", },
 	{ .compatible = "fsl,srio", },
 	{ .compatible = "gianfar", },
+	{ .compatible = "fsl,mpc8641-pcie", },
 	{},
 };
 
@@ -171,7 +141,7 @@ static int __init declare_of_platform_devices(void)
 
 	return 0;
 }
-machine_device_initcall(mpc86xx_hpcn, declare_of_platform_devices);
+machine_arch_initcall(mpc86xx_hpcn, declare_of_platform_devices);
 machine_arch_initcall(mpc86xx_hpcn, swiotlb_setup_bus_notifier);
 
 define_machine(mpc86xx_hpcn) {
diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
index e7007d0d949e..b47a8fd0f3d3 100644
--- a/arch/powerpc/platforms/86xx/sbc8641d.c
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -38,23 +38,16 @@
 static void __init
 sbc8641_setup_arch(void)
 {
-#ifdef CONFIG_PCI
-	struct device_node *np;
-#endif
-
 	if (ppc_md.progress)
 		ppc_md.progress("sbc8641_setup_arch()", 0);
 
-#ifdef CONFIG_PCI
-	for_each_compatible_node(np, "pci", "fsl,mpc8641-pcie")
-		fsl_add_bridge(np, 0);
-#endif
-
 	printk("SBC8641 board from Wind River\n");
 
 #ifdef CONFIG_SMP
 	mpc86xx_smp_init();
 #endif
+
+	fsl_pci_assign_primary();
 }
 
 
@@ -102,6 +95,7 @@ mpc86xx_time_init(void)
 static __initdata struct of_device_id of_bus_ids[] = {
 	{ .compatible = "simple-bus", },
 	{ .compatible = "gianfar", },
+	{ .compatible = "fsl,mpc8641-pcie", },
 	{},
 };
 
@@ -111,7 +105,7 @@ static int __init declare_of_platform_devices(void)
 
 	return 0;
 }
-machine_device_initcall(sbc8641, declare_of_platform_devices);
+machine_arch_initcall(sbc8641, declare_of_platform_devices);
 
 define_machine(sbc8641) {
 	.name			= "SBC8641D",